package com.dev.springBootDemo.reflection;

/**
 * @author zhumq
 * @date 2024/7/1 19:51
 */
// 测试Class对象的创建方式
public class testReflection02 {
    public static void main(String[] args) throws ClassNotFoundException {
        Person person = new Student();
        System.out.println("这个人是：" + person.name ); // 这个人是：学生

        // 方式一：通过对象获得
        Class c1 = person.getClass();
        System.out.println(c1.hashCode()); // 2125039532

        // 方式二 ：通过全类名获得
        Class<?> c2 = Class.forName("com.dev.springBootDemo.reflection.Student");
        System.out.println(c2.hashCode()); // 2125039532

        // 方式三：通过类名获取
        Class c3 = Student.class;
        System.out.println(c3.hashCode()); // 2125039532

        // 方式四：基本内置类型的包装类都有一个Type属性
        Class c4 = Integer.TYPE;
        System.out.println(c4);  // int

        // 获取父类类型
        Class c5 = c1.getSuperclass();
        System.out.println(c5); // class com.dev.springBootDemo.reflection.Person
    }
}

class Person {

    public String name;

    public Person() {
    }

    public Person(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @Override
    public String toString() {
        return "Person{" +
                "name='" + name + '\'' +
                '}';
    }
}

class Student extends Person {
    public Student (){
        this.name = "学生";
    }
}

class Teacher extends Person {
    public Teacher (){
        this.name = "老师";
    }
}